331388253

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1619}}^1$

素因数の和:1676

約数の個数: 60

約数和(自身を含む): 597468960

約数和(自身を除く): 266080707

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 361, 399, 513, 567, 1083, 1197, 1539, 1619, 2527, 3249, 3591, 4857, 7581, 9747, 10773, 11333, 14571, 22743, 29241, 30761, 33999, 43713, 68229, 92283, 101997, 131139, 204687, 215327, 276849, 305991, 584459, 645981, 830547, 917973, 1753377, 1937943, 2491641, 4091213, 5260131, 5813829, 12273639, 15780393, 17441487, 36820917, 47341179, 110462751, 331388253]

約数ペア:

[(1, 331388253), (3, 110462751), (7, 47341179), (9, 36820917), (19, 17441487), (21, 15780393), (27, 12273639), (57, 5813829), (63, 5260131), (81, 4091213), (133, 2491641), (171, 1937943), (189, 1753377), (361, 917973), (399, 830547), (513, 645981), (567, 584459), (1083, 305991), (1197, 276849), (1539, 215327), (1619, 204687), (2527, 131139), (3249, 101997), (3591, 92283), (4857, 68229), (7581, 43713), (9747, 33999), (10773, 30761), (11333, 29241), (14571, 22743)]